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GUADALUPE S SITJAR MD
NPI 1497870315
Internal Medicine in Gurnee, IL

Active since March 20, 2007PECOS EnrolledAccepts Medicare Assignment
135 NORTH GREENLEAF, SUITE #224, GURNEE, IL 60031(847) 336-9159(847) 336-9159 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Guadalupe S Sitjar Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GUADALUPE S SITJAR MD (NPI 1497870315) is an individual internal medicine provider in Gurnee, Illinois and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, is affiliated with Osf Little Company Of Mary Medical Center, and is a graduate of Other (1970).

NPPES Registry Identity

NPI1497870315
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameGUADALUPE S SITJARCredential: MD
Location Address135 NORTH GREENLEAF, SUITE #224Gurnee, IL 60031-3371
Mailing Address135 North Greenleaf, Suite #224Gurnee, IL 60031-3371 · (847) 336-9159 · Fax (847) 336-9159
Phone(847) 336-9159
Fax(847) 336-9159
Sole ProprietorNo
Medical School CMSOtherGraduated 1970
Enumeration DateMarch 20, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1497870315 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
135 NORTH GREENLEAF, Gurnee, IL 60031
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Other Identifiers 2

Medicare UPINC38280
Medicare ID-Type Unspecified246180IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Guadalupe S Sitjar Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3971797168
PECOS Enrollment IDI20101102000187
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow G0181
This service involves a physician overseeing your care while you receive Medicare-covered services from a home health agency. The care you're receiving is complex and involves various disciplines. The physician isn't physically present but regularly supervises your treatment to ensure optimal health outcomes.
510 services169 patients
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
433 services176 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
246 services201 patients
Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a G0179
This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.
229 services129 patients
Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month 99491
Chronic care management services involve a healthcare professional personally providing care for patients with two or more chronic conditions. This service, offered monthly, focuses on the first 30 minutes of care, helping manage and coordinate the patient's health needs.
200 services136 patients
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180
This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.
167 services140 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Osf Little Company Of Mary Medical Center

Acute Care Hospitals · Evergreen Park, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140179
Location2800 W 95th StEvergreen Park, IL 60805 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60031 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Guadalupe Sitjar's NPI number?

The NPI number for Guadalupe Sitjar is 1497870315. It was assigned to this individual provider in the NPPES registry on March 20, 2007.

Where is Guadalupe Sitjar located?

Guadalupe Sitjar practices at 135 North Greenleaf Suite #224, Gurnee, IL 60031. The listed phone number is (847) 336-9159.

What is Guadalupe Sitjar's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Guadalupe Sitjar enrolled in Medicare?

Yes. Guadalupe Sitjar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Guadalupe Sitjar affiliated with any hospitals?

According to CMS data, Guadalupe Sitjar is affiliated with Osf Little Company Of Mary Medical Center.

When was this NPI record last updated?

The NPPES record for Guadalupe Sitjar was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.